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NodeMCU WiFi Access Point

Web Server with NodeMCU WebSocket

Uploading sensor data to web servers is one of the core ideas for Internet of Things (IoT). Such data are often small-sized and are continuously updated over time. And while HTTP performs satisfactorily for simple applications, like how I showed in my NodeMCU web server tutorial, there is a need …

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NodeMCU Webserver

NodeMCU MQTT Tutorial

So far, we've been using HTTP in our NodeMCU web servers and while it works, the protocol is not really the best way for sending and receiving small-sized data for IoT applications. In this tutorial, I will introduce you to NodeMCU MQTT.

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nodemcu ajax dynamic sensor data

NodeMCU Ajax: Dynamic Sensor Data on Web Page

Last time we managed to display sensor data to a NodeMCU web server. The problem with that code is that we need to refresh the page manually in order to update the sensor value. A better method is to use ajax (asynchronous javascript and xml) so that we can request …

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nodemcu ajax dynamic sensor data

Log Data with NodeMCU and Google Sheets

Most of the time, the data from a sensor in an IoT application needs to be recorded. This data logging is important for later statistical analysis now most popularly known as data analytics. In this tutorial, we will record the data captured from the sensor to a spreadsheet. Let's build …

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nodemcu-webserver

Creating a Simple NodeMCU Web Server

We're done with basics of the NodeMCU in my last post. Now it's time to use the NodeMCU like how it's meant to be use: as an IoT device. Here I will show you how to create a simple NodeMCU web server which will control a LED attached to one of …

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node mcu v1.0

Intro to NodeMCU and Arduino IDE

NodeMCU is a development board featuring the popular ESP8266 WiFi chip. As it turns out, you can program the ESP8266 just like any other microcontroller. Its obvious advantage over the Arduino or PIC is that it can readily connect to the Internet via WiFi. However, the ESP8266 breakout board has …

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